About us:We are a leading manufacturer of rock drilling tools, like DTH hammers and bits, DTH drill pipes, RC hammers and bits, tophammer button bits, coupling, cross bits, drill rods located in Changsha, Hunan, China.We have rich experience in this field of DTH hammers and bits for 20 years.Owing to high quality, professional serivce and competitive price, we have gotten good reputation from our customers from all over the world, such as France, Spain, Italy, South Africa, Iran, Malaysia, Australia ad etc.

Application:T40 self drilling anchor system is a fully threaded steel bar which features a hollow center for simultaneous drilling and grouting and a rope thread for connection to standard drill tooling. It is manufactured by cold rolling heavy wall steel tubing. It is widely used in the railway system, metro project, etc

Features:1. It is easy to penetrate various rocks.2. It can be elongated by using couplers.3. Unnecessary to be pulled out.4. The hollow bar can be used as grouting channel.5. Drilling, grouting and anchoring can be finished at the same time.

Specification:

Size

Outer Dia.(mm)

Inner Dia.(mm)

Ultimate Load(KN)

Yield Load(KN)

Thread

Weight(Kg/m)

T40/20

40

22

539

430

L/R

5.60

T40/16-2

40

21

660

525

L/R

6.30

T40/16-1

40

18

660

525

L/R

7.17

T40/16

40

16

660

525

L/R

7.50

T40/13

40

13

700

565

L/R

7.80

Anchor Coupler

Size

Outer Dia.(mm)

Length(mm)

Thread(L/R)

Weight(Kg)

T40

54

140

L/R

1.18

Anchor Nut

Size

Type

Key Size(mm)

Length(mm)

Thread(L/R)

Weight(Kg)

T40

Domed Nut

65

50

L/R

0.86

Anchor Plate

Size

Type

Dimension(mm)

Thickness(mm)

Hole Dia.(mm)

Weight(Kg)

T40

Flat Plate

200*200

12

56

3.50

T40

Flat Plate

200*200

15

54

4.58

T40

Flat Plate

200*200

30

56

8.50

Drill Bit Adapter

Hollow Anchor Bar

Drill Bit

Length(mm)

Weight(Kg)

T40

R51

68

0.35

Centralizer

Size

Outer Dia.(mm)

Length(mm)

Weight(Kg)

T40

88

40

0.37

Drill Bit

Type

Size

Diameter (mm)

EX

T40

ø76, ø90, ø115

EXX

T40

ø76, ø90, ø100

ES-F

T40

ø76, ø90

ESS-F

T40

ø90, ø100

Clay Bit

T40

ø100, ø110, ø150

Product photo:

Quality warranty:Our products are made of high quality steel and all spares parts are inspected strictly before shipping. We have quickly responses for your complaint and suggestion.

Package:Using ply-wooden cases and pallet for package to protect the products and avoid the damagement during transportation. Also we can customize package according to your special requests.